Rubbermaid Blue Ice. Fits inside or snaps to bottom. Works with easy find Lids system. Fits 1.25 & 2 cup Rubbermaid containers. 4 in x 4 in x 0.8 in. 10.2 cm x 10.2 cm x 2 cm. BPA free. Snaps to base. Made in U.S.A. of global components. 2011 Rubbermaid Incorporated. www.rubbermaid.com. A Newell Rubbermaid brand.